Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.1.sb38547417.eb38659598.59111.3291737963_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.477 5.316/6.218 5.727 ± 0.6637
ea02 1342 1342/1342 1342 ± 0.00004293 6.051 5.539/6.755 6.081 ± 0.8748
ea04 1342 1342/1342 1342 ± 0.00003045 5.262 4.934/6.035 5.501 ± 0.6395
ea05 1342 1342/1342 1342 ± 0.00001366 5.657 5.25/6.58 5.929 ± 0.7075
ea06 1342 1342/1342 1342 ± 0 4.917 4.569/5.33 4.949 ± 0.4725
ea07 1342 1342/1342 1342 ± 0.00004269 5.971 5.414/6.348 6.017 ± 0.7814
ea08 1342 1342/1342 1342 ± 0.00004404 6.163 5.685/6.946 6.248 ± 0.9118
ea09 1342 1342/1342 1342 ± 0 5.663 5.233/6.574 5.775 ± 0.8027
ea10 1342 1342/1342 1342 ± 0.00004272 5.972 5.131/6.835 6.053 ± 0.8407
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.72 5.409/6.604 5.914 ± 0.8414
ea13 1342 1342/1342 1342 ± 0 6.07 5.941/6.561 6.229 ± 0.7179
ea14 1342 1342/1342 1342 ± 0.00001511 5.634 5.329/6.545 5.929 ± 0.7421
ea15 1342 1342/1342 1342 ± 0 5.579 5.306/6.477 5.885 ± 0.7965
ea16 1342 1342/1342 1342 ± 0.00001974 6.122 5.694/6.914 6.348 ± 0.8294
ea17 1342 1342/1342 1342 ± 0.00004404 6.032 5.722/7.11 6.208 ± 0.8131
ea18 1342 1342/1342 1342 ± 0.000001708 4.942 4.768/5.672 5.099 ± 0.6035
ea19 1342 1342/1342 1342 ± 0.000003098 5.926 5.734/6.906 6.296 ± 0.7477
ea20 1342 1342/1342 1342 ± 0 5.926 5.838/6.942 6.155 ± 0.858
ea21 1342 1342/1342 1342 ± 0.00001658 5.626 5.377/6.501 5.911 ± 0.7073
ea22 1342 1342/1342 1342 ± 0.00001699 5.423 5.054/6.309 5.601 ± 0.8377
ea23 1342 1342/1342 1342 ± 0.00003372 5.666 5.155/6.731 6.041 ± 0.8769
ea25 1342 1342/1342 1342 ± 0.00003044 5.634 5.42/6.496 5.791 ± 0.807
ea26 1342 1342/1342 1342 ± 0 6.091 5.709/7.125 6.283 ± 0.8435
ea27 1342 1342/1342 1342 ± 0.00004272 5.642 5.287/6.616 5.867 ± 0.7409
ea28 1342 1342/1342 1342 ± 0.00004272 5.803 5.601/6.737 6.065 ± 0.803
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002392 5.568 5.371/5.799 5.547 ± 0.2852
4 1342 1342/1342 1342 ± 0.00004331 4.909 4.755/5.129 4.944 ± 0.3708
5 1342 1342/1342 1342 ± 0.00002392 5.601 5.327/5.772 5.574 ± 0.3295
6 1342 1342/1342 1342 ± 0.00003253 5.066 4.931/5.148 5.014 ± 0.2524
7 1342 1342/1342 1342 ± 0.00002392 5.53 5.423/5.717 5.518 ± 0.2895
8 1342 1342/1342 1342 ± 0.00002392 5.545 5.313/5.668 5.467 ± 0.3165
9 1342 1342/1342 1342 ± 0.00002392 5.752 5.642/6.023 5.733 ± 0.3593
10 1342 1342/1342 1342 ± 0.00002392 6.211 6.057/6.351 6.146 ± 0.3529
11 1342 1342/1342 1342 ± 0.00002392 6.478 6.297/6.593 6.383 ± 0.3708
12 1342 1342/1342 1342 ± 0.00002392 6.602 6.446/6.757 6.488 ± 0.5208
13 1342 1342/1342 1342 ± 0.00002392 7.075 6.992/7.266 7.021 ± 0.4254
14 1342 1342/1342 1342 ± 0.00002392 7.273 6.979/7.444 7.175 ± 0.4756
15 1342 1342/1342 1342 ± 0.00002392 6.945 6.72/7.166 6.833 ± 0.5183
16 1342 1342/1342 1342 ± 0.00006019 4.773 4.561/4.952 4.749 ± 0.302
17 1342 1342/1342 1342 ± 0.00005844 4.952 4.741/5.116 4.923 ± 0.3013
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38547417.eb38659598.59111.3291737963_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-03-13 00:02:10.821
End
2025-03-13 00:25:50.350
Duration
0:23:39.529
Note, WebLog generation is not included in the time.

CASA logs for stage 8